1, the subject content and scope of application

 

    1.1 The purpose of this standard is to ensure the quality of the powder coating equipment manufacturing, installation, and it is the acceptable principle of the powder coating machine. At the mean time, it is also to monitor the manufacture, installation and quality acceptance criteria.

 

    1.2 The standard reference to the "Code of Construction Engineering," the ninth book in the relevant norms, GB985-88 "weld size", GB50184-93 industrial metal pipe project quality inspection evaluation standards.

 

    1.3 This standard applies to a single coating equipment, such as powder coating pre-treatment equipment, electrostatic spray powder painting equipment,powder coating booth, powder coating drying room, etc., also applies to all types of coating production lines, such as powder coating lines,electrostatic powder coating line,electrostatic spraying paint line.

 

    1.4 This standard is not suitable for coating the production line lifting transport equipment and electrical automation control equipment.

 2, equipment manufacturing

 

    Equipment manufacturing, including a variety of tank welding, all kinds of chamber skeleton welding, platforms, walkways, ladder welding, siding, duct processing, all kinds of water, gas pipeline welding processing.

 

    2.1 production of materials

 2.1.1 Equipment Materials Carbon steel quality standards should be consistent with the provisions of GB700-7.9; stainless steel, heat-resistant steel should be consistent with the provisions of GBl220-84, GBl221-84, low alloy steel should be consistent with the provisions of GBl51-88.

 

    2.1.2 hot-rolled bar and square steel diameter and side length tolerance should be consistent with the provisions of GB702-86.

 

    2.1.3 stainless steel rod size tolerances shall comply with the provisions of GB226-84.

 

    2.1.4 hot-rolled steel thickness tolerances shall comply with the provisions of GB709-88.

 

    2.1.5 cold-rolled steel and strip allowable deviation should be consistent with the provisions of GB708-88.

 

    2.1.6 Seamless pipe size tolerances shall comply with the provisions of YB231-70.

 

    2.1.7 stainless steel seamless pipe size tolerances shall comply with the provisions of GB2270-80.

 

    2.1.8 The performance of non-metallic materials should be consistent with the national standard or higher than the national standard of the factory standard and sample requirements.